Top news for December 21, 2008

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After delay, NASA astronauts set for spacewalk to replace faulty space station antenna

Our Guide to the Only Total Solar Eclipse of 2021

Test tanks fuelled for ESA's Themis reusable first stage

Harnessing the organization of the cell surface

Rocket launch today: SpaceX launching US spy satellite in morning liftoff

On This Day In Space: May 25, 2008: NASA's Phoenix spacecraft lands on Mars

Christmas sale: Read a free issue of How It Works magazine, plus save up to 57% on a subscription!

NASA astronauts are taking a spacewalk outside space station today. Here's how to watch live.

What We Know About the New Covid Variant, Omicron

30 Under 30 In Science 2022: Finding New Worlds, Communicating STEM And Helping Dogs Live Longer